[chore] Refactor account deleting/block logic, tidy up some other processing things (#1599)

* start refactoring account deletion

* update to use state.DB

* further messing about

* some more tidying up

* more tidying, cleaning, nice-making

* further adventures in refactoring and the woes of technical debt

* update fr accept/reject

* poking + prodding

* fix up deleting

* create fave uri

* don't log using requestingAccount.ID because it might be nil

* move getBookmarks function

* use exists query to check for status bookmark

* use deletenotifications func

* fiddle

* delete follow request notif

* split up some db functions

* Fix possible nil pointer panic

* fix more possible nil pointers

* fix license headers

* warn when follow missing (target) account

* return wrapped err when bookmark/fave models can't be retrieved

* simplify self account delete

* warn log likely race condition

* de-sillify status delete loop

* move error check due north

* warn when unfollowSideEffects has no target account

* warn when no boost account is found

* warn + dump follow when no account

* more warnings

* warn on fave account not set

* move for loop inside anonymous function

* fix funky logic

* don't remove mutual account items on block;
do make sure unfollow occurs in both directions!

1 files changed, 8 insertions, 2 deletions

diff --git a/internal/api/client/accounts/accountdelete.go b/internal/api/client/accounts/accountdelete.go
index 02a75b670..242902cab 100644
--- a/internal/api/client/accounts/accountdelete.go
+++ b/internal/api/client/accounts/accountdelete.go
@@ -26,6 +26,7 @@ import (
 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+	"golang.org/x/crypto/bcrypt"
 )
 
 // AccountDeletePOSTHandler swagger:operation POST /api/v1/accounts/delete accountDelete
@@ -77,15 +78,20 @@ func (m *Module) AccountDeletePOSTHandler(c *gin.Context) {
 		return
 	}
 
+	// Self account delete requires password to ensure it's for real.
 	if form.Password == "" {
 		err = errors.New("no password provided in account delete request")
 		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
 		return
 	}
 
-	form.DeleteOriginID = authed.Account.ID
+	if err := bcrypt.CompareHashAndPassword([]byte(authed.User.EncryptedPassword), []byte(form.Password)); err != nil {
+		err = errors.New("invalid password provided in account delete request")
+		apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGetV1)
+		return
+	}
 
-	if errWithCode := m.processor.Account().DeleteLocal(c.Request.Context(), authed.Account, form); errWithCode != nil {
+	if errWithCode := m.processor.Account().DeleteSelf(c.Request.Context(), authed.Account); errWithCode != nil {
 		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}